Answer: Placebo effects.
Explanation:
Placebo effect is also known as Placebo, it is a situation whereby a substance known to have effective performs the wonders of improving the health condition of a patient, this is due to the believe the patient has towards the substance. One of the factors that helps Placebo effect is "Expectation".
A substance is regarded to have placebo effect if it was not designed to have any therapeutic value, Examples of placebo includes disabled water, sugar, sham surgery, inert injection and tablets, etc.
Exercise to get your muscles loosened up
The answer is yes it can be donated.
and im not sure about the second one
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Although human beings can be attacked by many kinds of animals, man-eaters are those that have incorporated human flesh into their usual diet and actively hunt and kill humans. Most reported cases of man-eaters have involved lions, tigers, leopards, polar bears, and large crocodilians.